Bardstown Bourbon Company Fusion Series Batch 4 is a limited-edition bourbon whiskey that was released in 2020. It is a blend of two different bourbons, one aged for 8 years and the other aged for 12 years. The 8-year-old bourbon is a wheated bourbon, while the 12-year-old bourbon is a high-rye bourbon. The whiskey is bottled at a strength of 94 proof and has a deep amber color. On the nose, it has notes of caramel, vanilla, oak, and spice. On the palate, it has flavors of toffee, dark fruit, and baking spices. The finish is long and smooth, with a hint of oak and spice.